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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

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There are more bacteria in your mouth than there are people in the world.

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Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

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Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

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Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

First Line of Defence First Line of Defence
Cyanobacteria of the (a) genus Synechococcus form (b) mats that line hot springs around the world. Cyanobacteria of the (a) genus Synechococcus form (b) mats that line hot springs around the world.
Scaling the Earth down to the size of a basketball, the Moon is roughly the size of a tennis ball. T Scaling the Earth down to the size of a basketball, the Moon is roughly the size of a tennis ball. T
Line analysis of Titian, Assumption and Consecration of the Virgin. Line analysis of Titian, Assumption and Consecration of the Virgin.
Fluidization - Data Table of experiment Fluidization - Data Table of experiment
The Meselson–Weigle experiment The Meselson–Weigle experiment
Video: Studying the Left and Right Brain Independently

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